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<head><meta charset="utf-8"><title>weekly meeting July 24 · t-compiler/wg-nll · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/index.html">t-compiler/wg-nll</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html">weekly meeting July 24</a></h3>

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<a name="130231478"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130231478" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130231478">(Jul 24 2018 at 19:27)</a>:</h4>
<p>hi @everyone (sending out the notification a little bit early this week)</p>



<a name="130231818"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130231818" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130231818">(Jul 24 2018 at 19:31)</a>:</h4>
<p>so niko and i looked over the list of issues for the 2018 edition preview 2</p>



<a name="130231822"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130231822" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130231822">(Jul 24 2018 at 19:31)</a>:</h4>
<p>aka "EP2"</p>



<a name="130231874"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130231874" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130231874">(Jul 24 2018 at 19:32)</a>:</h4>
<p>and I just want to say: Things are looking really good, IMO, and that's really due in a large part to the hard work that all of you have been putting in</p>



<a name="130231891"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130231891" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130231891">(Jul 24 2018 at 19:32)</a>:</h4>
<p>projects like this don't just come out of nowhere.</p>



<a name="130231897"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130231897" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130231897">(Jul 24 2018 at 19:32)</a>:</h4>
<p>(At least, not unless someone like eddyb  is involved...)</p>



<a name="130231986"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130231986" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130231986">(Jul 24 2018 at 19:34)</a>:</h4>
<p>oh this is that <a href="https://github.com/rust-lang/rust/issues?q=is%3Aopen+is%3Aissue+label%3AWG-compiler-nll+milestone%3A%22Rust+2018+Preview+2%22" target="_blank" title="https://github.com/rust-lang/rust/issues?q=is%3Aopen+is%3Aissue+label%3AWG-compiler-nll+milestone%3A%22Rust+2018+Preview+2%22">EP2 list</a></p>



<a name="130231992"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130231992" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130231992">(Jul 24 2018 at 19:34)</a>:</h4>
<p>notably everything on that list is currently assigned to <em>someone</em></p>



<a name="130232027"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232027" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232027">(Jul 24 2018 at 19:35)</a>:</h4>
<p>seems like we're making good progress</p>



<a name="130232074"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232074" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232074">(Jul 24 2018 at 19:36)</a>:</h4>
<p>one tricky bit is that I may not have too much availability next week</p>



<a name="130232075"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232075" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232075">(Jul 24 2018 at 19:36)</a>:</h4>
<p>so in my mind, if you are looking for things to do, there are two options: 1. you try to assist with one of the items on the <a href="https://github.com/rust-lang/rust/issues?q=is%3Aopen+is%3Aissue+label%3AWG-compiler-nll+milestone%3A%22Rust+2018+Preview+2%22" target="_blank" title="https://github.com/rust-lang/rust/issues?q=is%3Aopen+is%3Aissue+label%3AWG-compiler-nll+milestone%3A%22Rust+2018+Preview+2%22">EP2 list</a> (perhaps by pinging the current assignee and asking if they need assistance with anything, like coming up with tests), or 2. you move on the <a href="https://github.com/rust-lang/rust/issues?utf8=%E2%9C%93&amp;q=is%3Aopen+is%3Aissue+label%3AWG-compiler-nll+milestone%3A%22Rust+2018+Release+Candidate%22+" target="_blank" title="https://github.com/rust-lang/rust/issues?utf8=%E2%9C%93&amp;q=is%3Aopen+is%3Aissue+label%3AWG-compiler-nll+milestone%3A%22Rust+2018+Release+Candidate%22+">RC list</a></p>



<a name="130232083"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232083" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232083">(Jul 24 2018 at 19:36)</a>:</h4>
<p>An alternative interpretation of option 1 that I just listed: Maybe look at the things assigned to Niko and see if you can  convince him to delegate one of them to you. :)</p>



<a name="130232107"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232107" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232107">(Jul 24 2018 at 19:37)</a>:</h4>
<p>(speaking of availability, I will myself be on vacation starting at the end of this week, for a bit more than 2 weeks)</p>



<a name="130232122"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232122" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232122">(Jul 24 2018 at 19:37)</a>:</h4>
<p>I too will be on vacation in august (starting august 4th. I hope to be checking in and contributing periodically but mostly asynchronously because I want to help us meet our RC target.)</p>



<a name="130232170"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232170" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232170">(Jul 24 2018 at 19:38)</a>:</h4>
<p>I think we should think a bit about the "broad themes" of RC-related projects -- in particular, it seems like we may want to do a renewed focus on performance?</p>



<a name="130232202"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232202" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232202">(Jul 24 2018 at 19:39)</a>:</h4>
<p>I also wonder what we will be doing about polonius</p>



<a name="130232203"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232203" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232203">(Jul 24 2018 at 19:39)</a>:</h4>
<p>I guess it feels like we maybe need a general "assessment"</p>



<a name="130232205"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232205" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232205">(Jul 24 2018 at 19:39)</a>:</h4>
<p>what if we go all together on vacations? <span class="emoji emoji-1f602" title="joy">:joy:</span></p>



<a name="130232208"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232208" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232208">(Jul 24 2018 at 19:39)</a>:</h4>
<p>do we just revive that Polonius effort <em>after</em> the Edition is out the door?</p>



<a name="130232209"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232209" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232209">(Jul 24 2018 at 19:39)</a>:</h4>
<p>I feel a bit envy <span class="emoji emoji-1f61d" title="stuck out tongue closed eyes">:stuck_out_tongue_closed_eyes:</span></p>



<a name="130232210"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232210" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232210">(Jul 24 2018 at 19:39)</a>:</h4>
<p>DPC's livenessmap PR didn't seem to impact html5ever so I was looking at it</p>



<a name="130232216"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232216" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232216">(Jul 24 2018 at 19:39)</a>:</h4>
<p>in terms of the "three pillars" of "complete", "diagnostics", and "perf"</p>



<a name="130232219"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232219" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232219">(Jul 24 2018 at 19:40)</a>:</h4>
<blockquote>
<p>do we just revive that Polonius effort <em>after</em> the Edition is out the door?</p>
</blockquote>
<p>I think so</p>



<a name="130232269"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232269" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232269">(Jul 24 2018 at 19:40)</a>:</h4>
<p>(yeah let's all go on vacation together <span class="user-mention" data-user-id="116266">@Santiago Pastorino</span> the whole gang)</p>



<a name="130232349"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232349" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232349">(Jul 24 2018 at 19:42)</a>:</h4>
<p>as far as complete goes, it seems like the major focus was on "feedback" from the crater run -- we're not quite ready to repeat that I guess</p>



<a name="130232350"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232350" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232350">(Jul 24 2018 at 19:42)</a>:</h4>
<p>(CFG compression in Polonius is virtually good to go, and then I rabbitholed sorting, layout, simd, for barely nothing)</p>



<a name="130232358"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232358" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232358">(Jul 24 2018 at 19:42)</a>:</h4>
<p>diagnostics it seems like has made pretty good progress</p>



<a name="130232363"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232363" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232363">(Jul 24 2018 at 19:42)</a>:</h4>
<p>it'd be good to review the <code>.nll.stderr</code> files perhaps</p>



<a name="130232365"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232365" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232365">(Jul 24 2018 at 19:42)</a>:</h4>
<p>perf -- we made progress, but we still need more</p>



<a name="130232397"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232397" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232397">(Jul 24 2018 at 19:43)</a>:</h4>
<p>those are my general impressions :)</p>



<a name="130232439"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232439" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232439">(Jul 24 2018 at 19:44)</a>:</h4>
<blockquote>
<p>it'd be good to review the <code>.nll.stderr</code> files perhaps</p>
</blockquote>
<p>see also <a href="https://github.com/rust-lang/rust/issues/52663" target="_blank" title="https://github.com/rust-lang/rust/issues/52663">#52663</a></p>



<a name="130232451"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232451" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232451">(Jul 24 2018 at 19:44)</a>:</h4>
<p>the good thing is I think crater check has now been improved to something like a day, so we can also iterate on that quickly I guess, even knowing about the current unsolved ICEs and the likes. I went through them again after the implied relationships PR but it only fixed one or two of the existing errors we had.</p>



<a name="130232457"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232457" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232457">(Jul 24 2018 at 19:44)</a>:</h4>
<p>interesting</p>



<a name="130232495"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232495" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232495">(Jul 24 2018 at 19:45)</a>:</h4>
<p>I think that in terms of ICEs, me + <span class="user-mention" data-user-id="116925">@mikhail-m1</span> are working on the "big two" still...?</p>



<a name="130232496"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232496" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232496">(Jul 24 2018 at 19:45)</a>:</h4>
<p>iirc</p>



<a name="130232547"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232547" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232547">(Jul 24 2018 at 19:46)</a>:</h4>
<p>you might also have others in flight which didn't hit during the crater runs</p>



<a name="130232551"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232551" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232551">(Jul 24 2018 at 19:46)</a>:</h4>
<p>is there a level of perf regression that would block NLL being in EP2 ?</p>



<a name="130232556"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232556" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232556">(Jul 24 2018 at 19:46)</a>:</h4>
<p>when it comes to perf, apart from the horror cases of html5ever and tuple-stress, it'd be interesting to try and characterize where we are spending our time these days</p>



<a name="130232557"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232557" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232557">(Jul 24 2018 at 19:46)</a>:</h4>
<p>I know we've talked about a &lt;= 10% regression target; I've been assuming that would be the RC blocker</p>



<a name="130232561"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232561" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232561">(Jul 24 2018 at 19:46)</a>:</h4>
<p>but maybe I'm wrong and that's the EP2 blocker</p>



<a name="130232568"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232568" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232568">(Jul 24 2018 at 19:47)</a>:</h4>
<p>I think our current perf is acceptable for EP2</p>



<a name="130232578"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232578" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232578">(Jul 24 2018 at 19:47)</a>:</h4>
<p>else we should've been focusing on it harder :)</p>



<a name="130232582"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232582" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232582">(Jul 24 2018 at 19:47)</a>:</h4>
<p>I'm not sure we even know how it performs apart from our benchmarks ?</p>



<a name="130232601"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232601" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232601">(Jul 24 2018 at 19:47)</a>:</h4>
<p>I think what we probably ought to do is to test it on various "real world" crates -- but specifically the master <br>
versions</p>



<a name="130232614"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232614" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232614">(Jul 24 2018 at 19:47)</a>:</h4>
<p>interestingly I was pointed at some research which says that 20% slowdown is the point where people start to be able to perceive the difference</p>



<a name="130232616"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232616" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232616">(Jul 24 2018 at 19:47)</a>:</h4>
<p>so 10%-15% is a pretty reasonable figure</p>



<a name="130232623"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232623" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232623">(Jul 24 2018 at 19:47)</a>:</h4>
<p>not to say we shouldn't shoot for more and all =)</p>



<a name="130232666"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232666" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232666">(Jul 24 2018 at 19:48)</a>:</h4>
<p>but basically we still don't have measurements for "this is the real world slowdown NLL imposes on your dependencies"</p>



<a name="130232668"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232668" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232668">(Jul 24 2018 at 19:48)</a>:</h4>
<p>it seems like we should measure that</p>



<a name="130232683"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232683" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232683">(Jul 24 2018 at 19:48)</a>:</h4>
<p>that could be a good issue to open I suppose...</p>



<a name="130232688"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232688" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232688">(Jul 24 2018 at 19:48)</a>:</h4>
<p>is it worth asking right now if anyone wants help finding something to work on?</p>



<a name="130232700"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232700" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232700">(Jul 24 2018 at 19:49)</a>:</h4>
<p>I can work on checking those crates niko</p>



<a name="130232710"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232710" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232710">(Jul 24 2018 at 19:49)</a>:</h4>
<p>I was just thinking that if you have a good perf setup <span class="user-mention" data-user-id="116113">@lqd</span> (I lost access to mine now) maybe we can also do a bit of profiling and just try to get a sense of which "parts" of borrowck are expensive right now</p>



<a name="130232711"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232711" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232711">(Jul 24 2018 at 19:49)</a>:</h4>
<p>(deleted)</p>



<a name="130232715"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232715" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232715">(Jul 24 2018 at 19:49)</a>:</h4>
<p>and if you have some spare cycles here and there, html5ever</p>



<a name="130232761"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232761" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232761">(Jul 24 2018 at 19:50)</a>:</h4>
<p>e.g., I had some ideas for improving liveness but also the code that searches for conflicting loans</p>



<a name="130232770"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232770" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232770">(Jul 24 2018 at 19:50)</a>:</h4>
<p>(which typically shows up as <code>unroll_place</code> being a hotspot)</p>



<a name="130232805"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232805" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232805">(Jul 24 2018 at 19:50)</a>:</h4>
<p><span class="user-mention" data-user-id="116113">@lqd</span> iirc we were gonna do the same crates that feed into <a href="https://perf.rust-lang.org/dashboard.html" target="_blank" title="https://perf.rust-lang.org/dashboard.html">https://perf.rust-lang.org/dashboard.html</a></p>



<a name="130232810"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232810" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232810">(Jul 24 2018 at 19:51)</a>:</h4>
<p>I wouldn't say "good" unfortunately (cough ubuntu on windows) but if it's more high level like timing the whole build compared to the perf.rlo versions that should work fine</p>



<a name="130232845"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232845" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232845">(Jul 24 2018 at 19:51)</a>:</h4>
<p>I can fire up callgrind as well but it always seemed less interesting than your <code>perf</code>profiles for sure</p>



<a name="130232846"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232846" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232846">(Jul 24 2018 at 19:51)</a>:</h4>
<p>I suppose my laptop might be able to gather data but....</p>



<a name="130232849"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232849" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232849">(Jul 24 2018 at 19:51)</a>:</h4>
<p>Ubuntu on Windows is mostly going to hit I/O performance, it's comparable to native Linux otherwise.</p>



<a name="130232893"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232893" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232893">(Jul 24 2018 at 19:52)</a>:</h4>
<p>yeah, I've never been able to make good use of callgrind somehow</p>



<a name="130232920"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232920" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232920">(Jul 24 2018 at 19:53)</a>:</h4>
<p>I'll do it and then we'll reconvene, but might mean someone might have to double check those results :/</p>



<a name="130232996"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130232996" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130232996">(Jul 24 2018 at 19:54)</a>:</h4>
<p>k</p>



<a name="130233004"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233004" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233004">(Jul 24 2018 at 19:54)</a>:</h4>
<p>it should give us some idea anyway</p>



<a name="130233024"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233024" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233024">(Jul 24 2018 at 19:54)</a>:</h4>
<p>right; + the timing of up to date versions should be interesting as well</p>



<a name="130233045"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233045" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> simulacrum <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233045">(Jul 24 2018 at 19:55)</a>:</h4>
<p>Feel free to throw PRs at perf adding more benchmarks too if that's what we want</p>



<a name="130233062"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233062" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233062">(Jul 24 2018 at 19:55)</a>:</h4>
<p>As a slight aside, are the current benchmarks chosen for any specific reason or was it just popular crates at the time?</p>



<a name="130233071"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233071" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233071">(Jul 24 2018 at 19:55)</a>:</h4>
<p>it does seem like it'd be good to have perf measure it</p>



<a name="130233072"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233072" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> simulacrum <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233072">(Jul 24 2018 at 19:55)</a>:</h4>
<p>Not really chosen, no</p>



<a name="130233171"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233171" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233171">(Jul 24 2018 at 19:57)</a>:</h4>
<p>a lot of those are pieces of code which happened to stress the compiler in a particular way at some point right ?</p>



<a name="130233179"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233179" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233179">(Jul 24 2018 at 19:57)</a>:</h4>
<p>yes</p>



<a name="130233191"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233191" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233191">(Jul 24 2018 at 19:57)</a>:</h4>
<p>it'd be nice to come up with some criteria for "popular packages" — I guess we could look at the <a href="http://crates.io" target="_blank" title="http://crates.io">crates.io</a> dependency information or something</p>



<a name="130233247"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233247" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233247">(Jul 24 2018 at 19:58)</a>:</h4>
<p>Could match playground's selection.</p>



<a name="130233308"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233308" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233308">(Jul 24 2018 at 19:59)</a>:</h4>
<p>true</p>



<a name="130233315"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233315" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233315">(Jul 24 2018 at 19:59)</a>:</h4>
<p><span class="user-mention" data-user-id="116155">@Jake Goulding</span> — got a list of the packages in playground? is it just the top 100 or whatever from <a href="http://crates.io" target="_blank" title="http://crates.io">crates.io</a>?</p>



<a name="130233357"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233357" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233357">(Jul 24 2018 at 20:00)</a>:</h4>
<p>it's an api yes</p>



<a name="130233374"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233374" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233374">(Jul 24 2018 at 20:00)</a>:</h4>
<p>and jake commits something regularly I think</p>



<a name="130233377"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233377" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233377">(Jul 24 2018 at 20:00)</a>:</h4>
<p>updating this list</p>



<a name="130233381"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233381" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233381">(Jul 24 2018 at 20:00)</a>:</h4>
<p>I can look it up if need be (having worked a bit on the playground)</p>



<a name="130233390"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233390" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233390">(Jul 24 2018 at 20:01)</a>:</h4>
<p><span class="user-mention" data-user-id="116009">@nikomatsakis</span> <a href="https://github.com/integer32llc/rust-playground/blob/master/compiler/base/Cargo.toml" target="_blank" title="https://github.com/integer32llc/rust-playground/blob/master/compiler/base/Cargo.toml">https://github.com/integer32llc/rust-playground/blob/master/compiler/base/Cargo.toml</a></p>



<a name="130233398"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233398" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233398">(Jul 24 2018 at 20:01)</a>:</h4>
<p><a href="https://github.com/integer32llc/rust-playground/blob/master/compiler/base/Cargo.toml" target="_blank" title="https://github.com/integer32llc/rust-playground/blob/master/compiler/base/Cargo.toml">https://github.com/integer32llc/rust-playground/blob/master/compiler/base/Cargo.toml</a></p>



<a name="130233401"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233401" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233401">(Jul 24 2018 at 20:01)</a>:</h4>
<p>jinx</p>



<a name="130233417"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233417" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233417">(Jul 24 2018 at 20:01)</a>:</h4>
<p>I have updated a couple crates a couple weeks back and so could make some rustc-perf PRs, but any added benchmark has quite a cost on the infra <span class="user-mention" data-user-id="116122">@simulacrum</span> right ? so we'd want to limit new additions</p>



<a name="130233419"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233419" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233419">(Jul 24 2018 at 20:01)</a>:</h4>
<p>It's linked to from the help page on the playground as well</p>



<a name="130233466"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233466" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> simulacrum <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233466">(Jul 24 2018 at 20:02)</a>:</h4>
<p>Well, if it's helpful I can limit those additional benchmarks fairly easily to say one commit per day or something along those lines</p>



<a name="130233471"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233471" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233471">(Jul 24 2018 at 20:02)</a>:</h4>
<p>maybe the "lightweight benchmarks" thing we mentioned</p>



<a name="130233475"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233475" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233475">(Jul 24 2018 at 20:02)</a>:</h4>
<p>top ~100 most downloaded crates, their deps, and all the crates from the libs blitz</p>



<a name="130233482"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233482" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> simulacrum <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233482">(Jul 24 2018 at 20:02)</a>:</h4>
<p>That is, if we need more benchmarks, adding them is possible. Less is easier but we can certainly do one-off only-check and what not</p>



<a name="130233500"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233500" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233500">(Jul 24 2018 at 20:03)</a>:</h4>
<p>right, those might be seen as not needing every commit perf tested (maybe at least manually w/ rust-timer, in addition to daily or something) would that work for you <span class="user-mention" data-user-id="116009">@nikomatsakis</span> ?</p>



<a name="130233511"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233511" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233511">(Jul 24 2018 at 20:03)</a>:</h4>
<p>I agree we don't necessarily need every commit tested</p>



<a name="130233520"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233520" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Keith Yeung <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233520">(Jul 24 2018 at 20:03)</a>:</h4>
<p>i was about to ask what i could do nowadays, since i've got some free time now, but i see <span class="user-mention" data-user-id="116083">@pnkfelix</span> already has a list of stuff we can hop onto</p>



<a name="130233589"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233589" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Keith Yeung <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233589">(Jul 24 2018 at 20:04)</a>:</h4>
<p>how is <span class="emoji emoji-1f438" title="frog">:frog:</span> coming along nowadays btw?</p>



<a name="130233590"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233590" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> simulacrum <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233590">(Jul 24 2018 at 20:04)</a>:</h4>
<p>Yes, not testing every commit for all benchmarks is quite tenable now especially with the interpolation on summary grahps</p>



<a name="130233600"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233600" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Keith Yeung <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233600">(Jul 24 2018 at 20:04)</a>:</h4>
<p>i don't seem to have seen much PRs on the repo</p>



<a name="130233603"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233603" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233603">(Jul 24 2018 at 20:04)</a>:</h4>
<p>awesome</p>



<a name="130233613"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233613" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233613">(Jul 24 2018 at 20:04)</a>:</h4>
<p>I'd <span class="emoji emoji-1f60d" title="heart eyes">:heart_eyes:</span> if you tested total compilation time of all the playground crates (debug + release) before and after.</p>



<a name="130233618"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233618" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233618">(Jul 24 2018 at 20:04)</a>:</h4>
<p>yes, I'd say: for people whose availability is sporadic, I'd probably advise looking at the RC list, since that's ... well, its at least <em>less</em> time critical</p>



<a name="130233633"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233633" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233633">(Jul 24 2018 at 20:05)</a>:</h4>
<p><span class="user-mention" data-user-id="116155">@Jake Goulding</span> lol</p>



<a name="130233647"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233647" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233647">(Jul 24 2018 at 20:05)</a>:</h4>
<p>that would be awesome :)</p>



<a name="130233649"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233649" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Keith Yeung <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233649">(Jul 24 2018 at 20:05)</a>:</h4>
<p>i dislike being sporadic, but it is what it is</p>



<a name="130233746"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233746" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> simulacrum <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233746">(Jul 24 2018 at 20:06)</a>:</h4>
<p><span class="user-mention" data-user-id="116155">@Jake Goulding</span> That seems feasible to do on a per-nightly basis or something like that</p>



<a name="130233770"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233770" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233770">(Jul 24 2018 at 20:06)</a>:</h4>
<p>You can see about the current times in Travis — <a href="https://travis-ci.org/integer32llc/rust-playground/builds/406592134" target="_blank" title="https://travis-ci.org/integer32llc/rust-playground/builds/406592134">https://travis-ci.org/integer32llc/rust-playground/builds/406592134</a></p>
<div class="codehilite"><pre><span></span> CHANNELS_TO_BUILD=&quot;stable&quot;
 27 min 51 sec

 CHANNELS_TO_BUILD=&quot;beta&quot;
 21 min 9 sec

 CHANNELS_TO_BUILD=&quot;nightly&quot;
 24 min 24 sec
</pre></div>



<a name="130233788"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233788" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> simulacrum <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233788">(Jul 24 2018 at 20:07)</a>:</h4>
<p>Mostly just needs someone to port them all into perf with config files and all and then probably wait a few days for me to get the per-nightly infra going</p>



<a name="130233796"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233796" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233796">(Jul 24 2018 at 20:07)</a>:</h4>
<p>(and yes, that pattern between the channels is fairly consistent, I never figured out why)</p>



<a name="130233871"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233871" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233871">(Jul 24 2018 at 20:08)</a>:</h4>
<p><span class="user-mention" data-user-id="116155">@Jake Goulding</span> is the crate downloading included in the stable time or none or all of them?</p>



<a name="130233995"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130233995" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130233995">(Jul 24 2018 at 20:11)</a>:</h4>
<p>in all of them (if you <a href="https://travis-ci.org/integer32llc/rust-playground/jobs/406592135" target="_blank" title="https://travis-ci.org/integer32llc/rust-playground/jobs/406592135">click through to one</a>, you can see it does about everything from scratch)</p>



<a name="130234011"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130234011" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130234011">(Jul 24 2018 at 20:11)</a>:</h4>
<p>Ah, cool.</p>



<a name="130234076"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130234076" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130234076">(Jul 24 2018 at 20:12)</a>:</h4>
<p>Also, wanted to say this week that <span class="user-mention" data-user-id="116118">@Matthew Jasper</span> has had some great PRs and <span class="user-mention" data-user-id="116113">@lqd</span> has done some great work on the perf/crater triage and keeping polonius moving!</p>



<a name="130234106"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130234106" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130234106">(Jul 24 2018 at 20:13)</a>:</h4>
<p><span class="user-mention" data-user-id="116122">@simulacrum</span> I'm unfamiliar with the config files, is there some documentation on how to build them by any chance ? eg which cases require which json keys, the supports_stable keys and the likes ?</p>



<a name="130234109"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130234109" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130234109">(Jul 24 2018 at 20:13)</a>:</h4>
<p>stable</p>
<div class="codehilite"><pre><span></span>Finished dev [unoptimized + debuginfo] target(s) in 7m 33.86s
Finished release [optimized] target(s) in 13m 12.20s
</pre></div>


<p>beta</p>
<div class="codehilite"><pre><span></span>Finished dev [unoptimized + debuginfo] target(s) in 6m 02s
Finished release [optimized] target(s) in 10m 04s
</pre></div>


<p>nightly</p>
<div class="codehilite"><pre><span></span>Finished dev [unoptimized + debuginfo] target(s) in 6m 07s
Finished release [optimized] target(s) in 11m 14s
</pre></div>



<a name="130234132"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130234132" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130234132">(Jul 24 2018 at 20:13)</a>:</h4>
<p>It's all cloud workers, so not a great benchmark setup, but gut feeling over many months seems to bear it out. Never dug deep.</p>



<a name="130234229"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130234229" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130234229">(Jul 24 2018 at 20:15)</a>:</h4>
<p><span class="user-mention" data-user-id="116107">@David Wood</span> your diagnostics/error reporting work was awesome</p>



<a name="130234240"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/weekly%20meeting%20July%2024/near/130234240" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/weekly.20meeting.20July.2024.html#130234240">(Jul 24 2018 at 20:15)</a>:</h4>
<p>its-happening.gif</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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